40320967 has 2 divisors, whose sum is σ = 40320968. Its totient is φ = 40320966.

The previous prime is 40320941. The next prime is 40320989. The reversal of 40320967 is 76902304.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40320967 - 2¹¹ = 40318919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40320997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20160483 + 20160484.

It is an arithmetic number, because the mean of its divisors is an integer number (20160484).

Almost surely, 2^40320967 is an apocalyptic number.

40320967 is a deficient number, since it is larger than the sum of its proper divisors (1).

40320967 is an equidigital number, since it uses as much as digits as its factorization.

40320967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 40320967 is about 6349.8792901913. The cubic root of 40320967 is about 342.9074965810.

The spelling of 40320967 in words is "forty million, three hundred twenty thousand, nine hundred sixty-seven".